[youngtaff]

If you need it IW10 can now be implemented on Windows Server 2008 R2 see - http://www.andysnotebook.com/2011/11/increasing-the-tcp-init...

Jim Gettys article "IW10 Considered Harmful" is worth a read too - http://tools.ietf.org/html/draft-gettys-iw10-considered-harm...